import router from './router'
import store from './store'
import {Message} from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import {getToken} from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'
import demo from '@/router/modules/components'

NProgress.configure({showSpinner: false}) // NProgress Configuration

const whiteList = ['/login', '/auth-redirect', '/error/404', '/error/401'] // no redirect whitelist

//  路由守卫,页面权限
router.beforeEach(async (to, from, next) => {
  const tempPath = to.fullPath || '' // 跳转路径
  // start progress bar
  NProgress.start()

  // set page title
  document.title = getPageTitle(to.meta.title)

  // determine whether the user has logged in
  const hasToken = getToken()

  if (hasToken) {
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      next({path: '/'})
      NProgress.done() // hack: https://github.com/PanJiaChen/vue-element-admin/pull/2939
    } else {
      // determine whether the user has obtained his permission roles through getInfo
      const hasRoles = store.getters.menu && store.getters.menu.length > 0
      //登录成功
      if (hasRoles) {
        if (whiteList.indexOf(tempPath) !== -1 || tempPath === '/index' || tempPath.startsWith('/redirect')) {
          next()
          return
        }
        const pageTo = store.getters.paths.indexOf(tempPath) !== -1
        if (pageTo) {
          next()
        } else {
          next({path: '/error/404'})
        }
      } else {
        try {
          // 获取用户信息
          // note: roles must be a object array! such as: ['admin'] or ,['developer','editor']
          const {roles, menu} = await store.dispatch('user/getInfo')
          if(menu.length === 0) {
            menu.push({
              icon: 'el-icon-s-tools',
              title: '主页',
              name: 'index',
              menuType: 1,
              path: '/',
              children: []
            })
          }
          const fPath = demo.path
          const dChildren = demo.children.map((d,i) =>{
            return {
              path: `${fPath}/${d.path}`,
              title: d.meta.title,
              menuType: 1,
              uuid: `demo${i}`,
              children: []
            }
          })
         const d = menu.filter(m => m.title === 'demo')
          d[0].children = dChildren
          let newMenu = menu
          store.commit('menu/SET_MENU', newMenu)
          // 根据权限路由
          // const accessRoutes = await store.dispatch('permission/generateRoutes', roles)

          // 根据信息添加路由
          // router.addRoutes(asyncRoutes)

          // hack method to ensure that addRoutes is complete
          // set the replace: true, so the navigation will not leave a history record
          next({...to, replace: true})
        } catch (error) {
          // remove token and go to login page to re-login
          await store.dispatch('user/resetToken')
          Message.error(error || 'Has Error')
          next(`/login?redirect=${to.path}`)
          NProgress.done()
        }
      }
    }
  } else {
    /* has no token*/

    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
